Number in chemical formula, tells number of atoms in a molocule or ratio

16.

Belonging to group 17

17.

Same horizontal row

18.

Element in group 18

Down

1.

Attraction between oppositely charged icons

2.

Highest energy level of a atom

5.

Positive particle

6.

Same vertical coloumn

9.

term used to describe a material that can be pulled out into a long wire

11.

describe material that can be hammered or rolled into shape

13.

Uncharged particles

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